/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.linkis.engineplugin.impala.client;

import org.apache.hive.service.rpc.thrift.TTypeDesc;

import java.util.List;

public interface ImpalaResultSet extends AutoCloseable {

  Row next();

  int getColumnSize();

  List<? extends Column> getColumns();

  interface Row {
    Object[] getValues();

    Object getObject(int columnIndex);

    <T> T getObject(int columnIndex, Class<T> clasz);

    String getString(int columnIndex);

    Short getShort(int columnIndex);

    Integer getInteger(int columnIndex);

    Long getLong(int columnIndex);
  }

  interface Column {
    int getIndex();

    String getName();

    TTypeDesc getType();
  }
}
